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Merge branch 'sb/describe-broken'
"git describe --dirty" dies when it cannot be determined if the state in the working tree matches that of HEAD (e.g. broken repository or broken submodule). The command learned a new option "git describe --broken" to give "$name-broken" (where $name is the description of HEAD) in such a case. * sb/describe-broken: builtin/describe: introduce --broken flag
This commit is contained in:
Junio C Hamano
commit
844768a298
@ -30,9 +30,14 @@ OPTIONS
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Commit-ish object names to describe. Defaults to HEAD if omitted.
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--dirty[=<mark>]::
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Describe the working tree.
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It means describe HEAD and appends <mark> (`-dirty` by
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default) if the working tree is dirty.
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--broken[=<mark>]::
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Describe the state of the working tree. When the working
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tree matches HEAD, the output is the same as "git describe
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HEAD". If the working tree has local modification "-dirty"
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is appended to it. If a repository is corrupt and Git
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cannot determine if there is local modification, Git will
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error out, unless `--broken' is given, which appends
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the suffix "-broken" instead.
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--all::
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Instead of using only the annotated tags, use any ref
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@ -9,6 +9,7 @@
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#include "diff.h"
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#include "hashmap.h"
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#include "argv-array.h"
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#include "run-command.h"
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#define SEEN (1u << 0)
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#define MAX_TAGS (FLAG_BITS - 1)
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@ -31,7 +32,7 @@ static int have_util;
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static struct string_list patterns = STRING_LIST_INIT_NODUP;
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static struct string_list exclude_patterns = STRING_LIST_INIT_NODUP;
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static int always;
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static const char *dirty;
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static const char *suffix, *dirty, *broken;
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/* diff-index command arguments to check if working tree is dirty. */
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static const char *diff_index_args[] = {
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@ -292,8 +293,8 @@ static void describe(const char *arg, int last_one)
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display_name(n);
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if (longformat)
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show_suffix(0, n->tag ? &n->tag->tagged->oid : &oid);
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if (dirty)
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printf("%s", dirty);
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if (suffix)
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printf("%s", suffix);
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printf("\n");
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return;
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}
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@ -369,8 +370,8 @@ static void describe(const char *arg, int last_one)
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struct object_id *oid = &cmit->object.oid;
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if (always) {
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printf("%s", find_unique_abbrev(oid->hash, abbrev));
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if (dirty)
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printf("%s", dirty);
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if (suffix)
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printf("%s", suffix);
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printf("\n");
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return;
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}
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@ -413,8 +414,8 @@ static void describe(const char *arg, int last_one)
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display_name(all_matches[0].name);
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if (abbrev)
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show_suffix(all_matches[0].depth, &cmit->object.oid);
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if (dirty)
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printf("%s", dirty);
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if (suffix)
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printf("%s", suffix);
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printf("\n");
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if (!last_one)
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@ -445,6 +446,9 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
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{OPTION_STRING, 0, "dirty", &dirty, N_("mark"),
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N_("append <mark> on dirty working tree (default: \"-dirty\")"),
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PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
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{OPTION_STRING, 0, "broken", &broken, N_("mark"),
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N_("append <mark> on broken working tree (default: \"-broken\")"),
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PARSE_OPT_OPTARG, NULL, (intptr_t) "-broken"},
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OPT_END(),
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};
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@ -493,7 +497,28 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
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die(_("No names found, cannot describe anything."));
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if (argc == 0) {
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if (dirty) {
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if (broken) {
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struct child_process cp = CHILD_PROCESS_INIT;
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argv_array_pushv(&cp.args, diff_index_args);
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cp.git_cmd = 1;
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cp.no_stdin = 1;
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cp.no_stdout = 1;
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if (!dirty)
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dirty = "-dirty";
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switch (run_command(&cp)) {
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case 0:
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suffix = NULL;
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break;
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case 1:
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suffix = dirty;
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break;
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default:
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/* diff-index aborted abnormally */
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suffix = broken;
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}
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} else if (dirty) {
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static struct lock_file index_lock;
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int fd;
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@ -506,11 +531,15 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
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if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1,
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diff_index_args, prefix))
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dirty = NULL;
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suffix = NULL;
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else
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suffix = dirty;
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}
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describe("HEAD", 1);
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} else if (dirty) {
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die(_("--dirty is incompatible with commit-ishes"));
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} else if (broken) {
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die(_("--broken is incompatible with commit-ishes"));
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} else {
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while (argc-- > 0)
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describe(*argv++, argc == 0);
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@ -233,4 +233,24 @@ test_expect_success 'describe --contains and --no-match' '
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test_cmp expect actual
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'
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test_expect_success 'setup and absorb a submodule' '
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test_create_repo sub1 &&
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test_commit -C sub1 initial &&
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git submodule add ./sub1 &&
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git submodule absorbgitdirs &&
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git commit -a -m "add submodule" &&
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git describe --dirty >expect &&
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git describe --broken >out &&
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test_cmp expect out
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'
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test_expect_success 'describe chokes on severly broken submodules' '
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mv .git/modules/sub1/ .git/modules/sub_moved &&
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test_must_fail git describe --dirty
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'
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test_expect_success 'describe ignoring a borken submodule' '
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git describe --broken >out &&
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grep broken out
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'
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test_done
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